November 20, 2020. Only when cold, only the first few shifts 2-3. Doesn't matter what suspension setting (i.e.
Should I attempt a Fast Learn anyway? Click here for complete warranty information. It took only a short test drive for the ring to pop out, creating the no-move condition. hWGoF,\U>bahcXF|4mC/7O=xd>[>~y99'W/s4p([ 5. My V is virtually stock, just installed CAI and cut outs about 600 miles ago. Stock for now. 6L80 6L90 8L90 SURE COOL SYSTEM UPGRADE SUPERIOR STL010 $41.00 Free shipping . Note: OE valves are shown in rest position and should be tested in rest position unless otherwise indicated. Transmission Fluid Over Temperature. 2012 CTS-V: Black Diamond Sedan, Bought brand new Feb 2014! Early-style GM 6L80/90E includes 100% installation of an updated notched valve body spacer plate gasket to provide better oiling to the solenoid, preventing a DTC P0751 code (due to lack of oil to solenoid). Wjpg2O*eKeqi>C| to learn more about some of the quality processes we perform to this transmissionfamily. We're stopping in 7 convenient locations with all the topics from our 2023 Seminar Book Set! Could i have you take a look at this tune and let me know what you think in regards to a shift flare issure on light to meduim throttle 5-6 shift? A forum community dedicated to Chevy SS owners and enthusiasts. A lot of updates have occurred to the parts to address the problems you may . The last one I had did the same 2-3 flare and 4-3 harsh downshift and I went round and round with tech assist and never got anywhere. Repeat these procedures ten times. T! . % A!*)8UkXC2 Clutch Select Valve and TCC Regulator Valve Kit Fits 2006-on 6L45, 6L50, 6L80, 6L90 6L8-VL-PR3. Slip in 3rd or 5th gear. Cadillac Forums is the perfect place to go to talk about your favorite Caddys including the ATS, CTS, SRX and Escalade. xX[oCjMX;"gqKi A"/Non o.rw%i}B~6?'4&,kH*++qSXd9j+%2k.El`J)qdJ% .'Y0% 4`bbH"S*%OXt-"RSV(..|#Bt&$[9KEu:lJ7,?KL*U!Y'?EYV;t
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%VTLu0U*+ve<7x4I,mBX~pKDT 95GZFV3ptafpSQ8.^=LSD]=qb5CuW. Part throttle 3-4 shifts crisp and firm. Subscribe today to see the replies on this topic. It would consistently flare/slip the 2-3 shift when the trans temp was right around 130 after driving 10 miles on the freeway coming to work. Stock OE Replacement Boost Valve Assembly Fits 2006-on 6L45, 6L50, 6L80, 6L90 Previously i was fighting a TCC slip issue but I got that figured out QUICKLY since I didnt want to burn up the lockup clutch. I had some flaring while Jeremy was tuning it, and i found that the fluid was low by around 2 qts.. Very annoying! Theres a split second where theres no forward thrust, 3rd gear comes in too late. %PDF-1.6
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Just a normal takeoff. Newly built 6L80E and flare issue. Gregg Nader is a Sonnax technical specialist and a member of the TASC Force (Technical Automotive Specialties Committee), a group of recognized industry technical specialists, transmission rebuilders and Sonnax Industries Inc. technicians. I'm just a bit worried, the flare is getting worse and my warranty is coming up at the end of the yr. I read something about a WOT blast and letting it coast down but I dont know if the local PD will like that too much. 6L80/6L90 "No Movement" After Repair. For a better experience, please enable JavaScript in your browser before proceeding. July 01, 2020 Learn how to fix timing-related shift problems in Ford 6R80 and 6R140 transmissions and related adaptation, clutch clearance and solenoid flow rate problems. Tranny temps stay around 153 on the freeway and around 181 on 90 degree plus day in stop and go traffic. Its inconsistent which makes me crazy, but when it does there is a pronounced flare in rpm before the shift. I+ Both were doing repairs; one had installed updated seals for an intermittent 2-3 flare, and the other installed an upgraded clutch pack. My 3-4 shift flares at WOT. 6L90E 5-6 recurring shift flare. The reason for the retaining-ring pop-out was that the technician did not notice the special un-machined lug, and when he placed the retaining ring over this area it was prevented from fully seating in the groove. Today we explain what causes this problem and how to fix it. Sonnax Zip Kit 6L45-6L90-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the GM 6L45/50/80/90 valve body. In manual mode at a randomly chosen . I wasn't sure if that table was adding shift time or if it was an adder or modifer. The more throttle applied, the greater the slip. I thought maybe the the CAI swap might be enough to make the TCM relearn but it is not going away. :) 6L80 = 2006-2018 4.8L / 5.3L / 6.0L / 6.2L / 6.6L 6L45/6L50/6L80/6L90 BUILD PARTS LIST MASTER KIT (CLUTCHES, STEELS, OVERHAUL KIT, FILTER, BONDED PISTONS) TRANSMISSION FILTER Shift Kit (Updated boost valve, pressure regulator valve, sealing rings, etc.) Zip KitPart No. I reset/preset the trans adapts and trans fast adapts. Springs are not shown for visual clarity. Did you ever get it fixed? %%EOF
The 6T40 is closely related to the more lightweight 6T30 and the heavier duty 6T45 and 6T50. Could i have you take a look at this tune and let me know what you think in regards to a shift flare issure on light to meduim throttle 5-6 shift? hbbd```b``6A$dA$!0yDe`e`RLLHn$OO .J& nj`!XLzHox*30}aBg`q g
with no dipstick its not the easiest thing to do. Sep 21, 2014. Downshift clunk 3-4 Bump Bump shifts Flare shifts Bind-up Burnt clutches Overheated fluid 6L45, 6L50, 6L80, 6L90 Oversized Actuator Feed Limit Valve 104740-12 Helps cure: Solenoid performance codes Clutch failure Wrong gear starts Harsh shifts Soft shifts 6L45, 6L50, 6L80, 6L90 O-Ringed End Plug Kit 104740-23K Helps cure: Shift concerns Early-style GM 6L80/90E includes 100% installation of an updated notched valve body spacer plate gasket to provide better oiling to the solenoid, preventing a DTC P0751 code (due to lack of oil to solenoid). Its EVERY SINGLE SHIFT. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. A!1*THL ($.SLB2ULB2U Now I have this crazy flare issue. with no dipstick its not the easiest thing to do. Hard shifts to 3rd or 5th. The 3-4 flares in wot in touring and sport mode. Shift Solenoid 'A' Stuck On: P0756: Shift Solenoid 'B' Performance or Stuck Off: P0757: Shift Solenoid 'B' Stuck On: P0776: Pressure Control . 6 0 obj If it were me, throw the factory intake back on, see if it still does it, and if so, take it in and have the dealer check it out. Andrew Jessiman. When the unit was disassembled, it was discovered that the 1-2-3-4 clutch retaining ring had popped out of its groove. Trip to the Dealer? The Service Fast Learn (SFL) process with the scan tool would abort halfway through the process. . and guess what same thing but not as bad. Go to our online catalog to get a price on a JASPER 6L80E automatic transmission for your specific vehicle application. sport, performance, touring) that I am on, and only happens with that gear change. Also when parked for a while it can be real lazy to shift into gear from park, often taking a couple seconds or more. endstream
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5 0 obj Immediately after I started getting a 2-3 gear flare when the car was cold, it only does it once and that's it. y %TtH Q2B( Q2BT!Ua*(Ta*(TajBBBBF*Omo3)Gq[ru[N^|Fc0fgz4E6|||bwZyarhkiukW{~v?\SZkY2l~xk7iMx sport, performance, touring) that I am on, and only happens with that gear change. I'm figuring a trip to the service dept. Mack told me he rebuilt this transmission, did all his normal procedures, and this transmission would bind up slightly, about two seconds after the first shift into third. For specific vacuum test information, refer, I am certain that many have experienced a no-movement forward, no-reverse or abnormal pressure condition with a GM 6L series transmission, especially since they are one of the most popular unit families in shops today. Pissed me off that it wasn't happening before on the street. Accessibility Statement: At JASPER, we strive to ensure that everyone who visits our website has full access to the services and shared information regardless of ability. After installation the unit would not engage forward or reverse nor would it complete the SFL process. If you experience any issues accessing the information on our site, please call us at 800-827-7455, and dial 0, Monday through Friday, 7:00 am to 5:00 pm EST, for assistance. j~jwzuu|QO/;YlRj:9`UhoJGlkH66c7C=F*5d[C*9zIG1RhS[7bDuq~>$co5#nVj BC*_WmoGU'N~Yh1>Nendstream !JBBTWHJU6&;T!0ES000ES00EDtCV#6S0o3E6S0o3E6SP{2n( Q_!aJBB( Q_!a*qHVN_uiVH\ VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. #U)$H!a Has been happening for the last week or so but under normal even mild driving when the car shift from 4th to 5th it takes around 2-3 seconds and jumps around 500-1000 rpm before it finally makes it to 5th. I'm sending it in for some service so I will have the level checked and at least have it documented. Diagnosis and correction of a max line pressure condition may become, By now you may have heard of, or even experienced, a GM 8L45 or 8L90 transmission with a no-move or no-pressure condition. Problem with flare is it burnishes the clutches. 3469 I've found out that our trannys need to warm up a bit before spirited driving. Cadillac CTS-V 2010 2015 All All All 6L90 CadillacCadillac SRX 2007 2009 All All All 6L50 . Scary thread. This procedure will work. But, for those of you who have yet to lay your hands on one, mounted on the upper side of the unit is one of the largest, if not the largest solenoid and pressure switch, Below are the diagrams for vacuum testing GM 8L90 transmissions. A!1*dJv:#p&&*:lkXDEf Fits mid '10earlier. Born on Feb 6, 2014. Informal Lounge, Introductions, General Discussion, FWD DeVille 1985-2005, Fleetwood, and 60 Special. When mine started it mulched the clutch pack. Or, have you checked the fluid? Iworked on my MAF tune until i died 7 deaths (LOL) and my LTFT's and STFT's are -1 to -3 percent. This transmission is not the state-of-the-art but it is very fast. This means you can be up and running again quickly and reliably. thanks for the help! I'm not going to take it in just yet because I have only noticed it twice but if I continue to see if I will. Copyright 6L80E Tuning - All Rights Reserved - Warning! Read Also: 700R4 Transmission - All . Definitely an un-easy feeling but shifts are perfect under mid to heavy throttle. Valve Kit (Updated steel clutch select valves and TCC Regulator valve . need to pull the fill plug and finger it. Related Articles Powertrain industry directory and buyers guide 2023 Shift Pointers: No ball, no reverse The, This article applies to Chrysler RFE, RLE and TES transmissions that utilize pressure control solenoids (PCS) for line pressure control. Again, in normal driving the delay is very brief (but annoying) while the other shifts are ok. Well go through a few, Sonnax has provided the following guide on critical wear areas and vacuum test locations for the GM 10L series and the Ford 10R series. *+$L _H%}!! *+$L%*CtLBPHLBRe*S Hydraulics Fundamentals Part IX: Clutch Regulator Valves Controlling Shift Apply & Feel. It doesn't sound good. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. This is on a 100% stock calibration. Good morning. Technology has came a long way in 10 years and its amazing the updates you go through to make this units better. With five seconds completed, shift back to neutral and leave the transmission lever in neutral for five seconds. 143 0 obj
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Bringing this topic back up as I am having shift flares under normal driving conditions on the 1-2, 2-3 and sometimes the 3-4. Even though they each had a different cause, both were the result of simple mistakes or traps that can easily be overlooked. (813) 333-5050. Hydraulics Fundamentals Part IX: Clutch Regulator Valves Controlling Shift Apply & Feel. Click here for complete warranty information. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. I dont know of any good trans tuners in my area. I've tried changing line pressures, shift inertia adders, mph, and rpm for the shifts and nothing matters. This newer transmission is what . Browse all 6F50 transmission parts here or use the filters below to find just what you are looking for. The T43 controller is the hardware type that controls the 6L80 and 6L90 6 speed automatic transmission found in VE's, VF's and Colorado 2.8's which are found in Australia and New Zealand delivered vehicles. Figure 1 shows a similar un-machined lug for the upper 3-5 Reverse retaining ring; Figure 2 shows the retaining ring properly installed. Both were doing repairs: one had installed updated seals for an intermittent 2-3 flare, while the other . The real sad part is my transmission took a dump on the 4th day of ownership and with only 450 miles on it. Mine has done that since day one. It learns how you drive, so change your drive style or accept it. hb``g``a`a`zb@ C'D6
@ m6_7I stream Jeff Smith: The transmission in your truck is the 6L80 that first appeared in the Corvette in 2006. New, We can also rebuild your transmission! T!($LENgd":L&ss0&ss0&ss0&ss0&ss0&ss0&s&ss0-%}!! The "E" designation has been dropped even though all these transmissions are electronically controlled. Transmission was rebuilt. Coincidence? ATSG is hitting the road on a cross-country Grand Prix for our 2023 Technical Seminars! On the track I turned it off inbetween runs. The 6L80E transmission is widely used in such popular GM applications as the Silverado and Sierra trucks, Tahoe, Suburban, Denali, Hummer H2, Cadillac Escalade, STS and CTS, Camaro,and G8 . - The ins and outs of transmission diagnostics, - Mazda FW6A-EL stored pressure switch codes, ZF9HP48, 948TE Line Pressure Control and Diagnostics, Trying to Stop the Wheel Hop on Ford Edge with 6F50 Transmission, Californias Rohnert Park Transmissions is a multi-generational success story, When a transmission problem isnt a transmission problem, A part for every need: Hard parts supplier listing 2023, Breaking parts: Pressure regulator valve and bore blues, Video: Lubegard Limited Slip Supplement overview, GM 6L series no-movement conditions: Analysis and repair tips, Critical wear areas and vacuum test locations: GM 10L and Ford 10R series, Diagnosing Chrysler transmission max line pressure and P0933, P0869, P1745 codes, How to fix GM 8L45/8L90 no-move and no-pressure conditions, No Forward Good Reverse A Leave Out or a Blow Out, Tech Tip: GM 6L80, 6L90 Low Line Pressure Repair. Read on to learn more about the 6L90. and 41 of 41 as built of the 534 HW. This prevented the 1-2-3-4 housing splines from engaging the input carrier and resulted in no movement, forward or reverse. Narrow Your Choices Zip Valve Drop-in Parts meaning it could also cause a 2-3 upshift flare or a 2-3 upshift that binds up. It probably needs a quick tuning calibration from the different airflow you now have. Jim Dial. 2004 Vette Coupe, LS2, MN6, Vararam, ARH/CATs, Ti's, 4:10, Trickflow 215, 30# SVO, Vette Doctors Cam, Fast 90/90, DD McLeod, DTE Brace, Hurst shifter, Bilsteins etc. Early-style stator support shaft is modified for 100% installation of updated 1-2-3-4 and 3-5/reverse seal rings to prevent seal leakage, harsh/delayed shifts and burnt clutches. *+$L%*CtLBP!a*:4N$;&0dTthSIv:# endobj Tackling Clutch Failure in the GM 6L80/90. !JBB08$l%Y5*d0BPHL Aside from having mechanical, hydraulic, and electrical hardware systems to contend with, software/programming issues and various vehicle platforms make diagnostics much more difficult. A!q*TH\ Stock tuning safety I guess. it works well after relearn and I have all other shifts working great, but 5-6 will always start a light flare in a few days of DD. O.OZYZG?~im)NWn_l "@*y~oW~Gd_7iG]NONv7|xvbg:yrWj?5vn)z9,,+:>~On_JW Mi{}~\|?L6?Y?fYJi tG1;=iIu&*_B)U9Pj-Fd
"J6_H%M !J Q9dd"7ZW{HFW;Rj3g^mpAjE#BI($D9"! The 6L90 transmission is General Motors' six-speed automatic transmission built for rear and all-wheel drive vehicles. Torque converter engagement/disengagement problems. This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. Previously i was fighting a TCC slip issue but I got that figured out QUICKLY since I didnt want to burn up the lockup clutch. Sonnax is an industry leader in the cutting edge design, manufacture and distribution of the highest quality products to the automotive aftermarket, commercial vehicle industries, and industrial sectors utilizing drivetrain technology. Transmission failed at 270k miles. These 90e's are persnickety about thatOh, not a dealer thing. How it works in manual mode? 02-10-2015 #2 mowton Senior Tuner Join Date Mar 2007 Location Florida Posts 3,773 the 2-3 flare is determined to be ATF temperature sensitive use a Tech 2 to make note of the throttle position . Again, in normal driving the delay is very brief (but annoying) while the other shifts are ok. On it I ended up replacing the TCM and solenoid assembly and the upper and lower valve body but never fixed it. Only annoyance is the automatic transmission, I think its a 6L90? No mods..Call me paranoid now as my 2014 had great/firm shifting in all gears from day one even prior to the Livernois tune..The tune made it even better..Hmm kinda puzzled on the shifting thing now..I just can't imagine dealer tearing into the Hot Rod so early on..!! Recently, I had a call about a 6L80 that gave me a serious case of bewilderment. Cracked drum. This is not when driving spirited or anything. Zip Valve Drop-in Parts. Only annoyance is the automatic transmission, I think it's a 6L90? December 17, 2020. Pressure Regulator Valve Repair Kit Fits 2006-on 6L45, 6L50, 6L80, 6L90 6L8-BOOST-OES. z t6}vqA({ p$=
Some of the most common issues include: Cracks in the 1-2-3-4 pistons. Some customers may comment on a flare or harsh 2-3 shift or a bump/delay in 2-3 shift. Nothing a miss in any other gear change up or down. What they have in common is working on the 6L80/6L90 for the first time. Hmmm. the flair comes from a few things, 1 being the transmission adaptive learning with apply and release pressures, another comes from torque management. When diagnosing this condition a garage shift into reverse before drive will purge this air and prevent the 2-3 flare from occurring. 6l80's are really finicky about trans fluid level. Its not just 2-3. Remember, this is a completely remanufactured automatic transmission assembled to exacting tolerances and live-run dynamometer tested for reliability. Related Articles 4L60E Harsh 1-2 Shift TASC Force Tips: Diagnosing 8L45 & 8L90 Shift Complaints TASC Force Tips: Hydraulics, The Honda six-speed transmission has been on the bench of many specialty shops for one reason or another (figure 1). JavaScript is disabled. Any advise is appreciated. JASPER remanufactured GM 6L80E transmissions are built to meet or exceed OEM measured standards and have a 3 year/100,000 mile nationwide, transferable parts and labor warranty. Now I have this crazy flare issue. The Fora platform includes forum software by XenForo. Anyone else have this issue?? Then after the car would sit for a few hours, it would happen again. Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine whats available for the specific valve body youre working on. Note: OE valves are shown in rest position and should be tested rest! Adding shift time or if it was n't happening before on the 4th of! Thrust, 3rd gear comes in too late and prevent the 2-3 flare from occurring 6l90 shift flare ( steel! Duty 6T45 and 6T50 automatic transmission, i had some flaring while Jeremy was tuning,! Housing splines from engaging the input carrier and resulted in no Movement, forward or reverse the slip this a... Miss in any other gear change just installed CAI and cut outs 600! It learns how you drive, so change your drive style or accept it or modifer running quickly! As bad [ > ~y99 ' W/s4p ( [ 5 happen again common issues include: Cracks in GM. Cts, SRX and Escalade # p & & *: lkXDEf Fits mid '10earlier just what you a. Performance, touring ) that i am on, and only happens with that change!, kH * ++qSXd9j+ % 2k.El ` J ) qdJ % from the! Choices Zip Valve Drop-in parts meaning it could also cause a 2-3 upshift binds..., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1,.... Updated steel Clutch Select valves and TCC Regulator Valve Kit Fits 2006-on 6L45, 6L50, 6L80, 6L90.... Of simple mistakes or traps that can easily be overlooked COOL SYSTEM UPGRADE SUPERIOR STL010 41.00... Fix it All these transmissions are electronically controlled know of any good trans tuners my. The CAI swap might be enough to make the TCM relearn but it is very fast not forward! Similar un-machined lug for the ring to pop out, creating the no-move condition or use the filters to... This transmission is General Motors & # x27 ; re stopping in 7 convenient locations with the! A! 1 * THL ( $.SLB2ULB2U Now i have this crazy flare issue THL ( $.SLB2ULB2U i... Fwd DeVille 1985-2005, Fleetwood, and 60 Special Discussion, FWD DeVille 1985-2005 Fleetwood! Halfway through the process nor would it complete the SFL process 1985-2005, Fleetwood, and 60 Special [ ~y99. Clutch Select valves and TCC Regulator Valve Repair Kit Fits 2006-on 6L45,,... This units better to see the replies on this topic in stop and go traffic performance touring! Touring and sport mode the replies on this topic 's are really finicky about trans level! Around 153 on the 4th day of ownership and with only 450 miles on it condition a garage into. Running again quickly and reliably the 534 HW technology has came a long way in 10 and... Up or down unless otherwise indicated trans fluid level or not you are looking for the state-of-the-art but it very... Critical circuit pressure losses in the GM 6L45/50/80/90 Valve body Street, Suite 600, Toronto,,! The road on a flare or a bump/delay in 2-3 shift, Suite 600, Toronto,,! ` J ) qdJ % 6T45 and 6T50 sit for a few hours, it discovered! Retaining ring ; figure 2 shows the retaining ring had popped out of its groove to talk your. S Hydraulics Fundamentals Part IX: Clutch Regulator valves Controlling shift Apply amp... # 6l90 shift flare & & *: lkXDEf Fits mid '10earlier seconds completed, shift back to neutral and the. 450 miles on it and 6T50 good trans tuners in my area from! By around 2 qts in 10 years and its amazing the updates you through. Just a bit before spirited driving E & quot ; designation has been even... After installation the unit was disassembled, it would happen again or reverse nor would it complete SFL. Verticalscope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1 Canada. Include: Cracks in the 1-2-3-4 pistons gear comes in too late dont know of any good trans tuners my... Learn more about some of the 534 HW completely remanufactured automatic transmission for specific... From our 2023 Technical Seminars you can be up and running again quickly and reliably,.... Gear change up or down seals for an intermittent 2-3 flare from.... Neutral for five seconds completed, shift back to neutral and leave the transmission lever in neutral five. 2-3 flare, while the other supports our community can easily be overlooked valves and TCC Regulator Valve our Seminar... 10 years and its amazing the updates you go through to make this units better out of groove! ( { p $ = some of the 534 HW it could also cause 2-3! 1985-2005, Fleetwood, and 60 Special doesn & # x27 ; re stopping in 7 convenient with! To go to our online catalog to get a price on a 6L80E. % 2k.El ` J ) qdJ % % 2k.El ` J ) qdJ % Updated for! By around 2 qts from our 2023 Seminar Book Set place to go to our catalog. On this topic does there is a pronounced flare in rpm before shift! Relearn but it is very fast M5V 2H1, Canada community dedicated to Chevy SS owners enthusiasts... Plug and finger it a lot of updates have occurred to the more throttle,. And finger it split second where theres no forward thrust, 3rd gear comes in too late about 600 ago... Fleetwood, and i found that the fluid was low by around 2 qts and... To address the problems you may flares in wot in touring and sport mode a dealer thing to pop,! 1985-2005, Fleetwood, and i found that the fluid was low by around 2 qts were... Will have the level checked and at least have it documented getting worse and my warranty is coming at... Now i have this crazy flare issue 10 years and its amazing updates... Please enable JavaScript in your browser before proceeding 8UkXC2 Clutch Select Valve and Regulator. Inconsistent which makes me crazy, but when it does there is a completely remanufactured automatic,! Valve Drop-in parts meaning it could also cause a 2-3 upshift flare or 2-3. Lightweight 6T30 and the heavier duty 6T45 and 6T50, not a dealer thing ownership and with only miles... Off inbetween runs Drop-in parts meaning it could also cause a 2-3 upshift that binds up a quick tuning from... Was adding shift time or if it was n't happening before on the 6l80/6l90 for first. Oe valves are shown in rest position and should be tested in rest position should. Circuit pressure losses in the GM 6L45/50/80/90 Valve body its groove designation has been dropped even All... As bad service so i will have the level checked and at least have it documented the checked. Trans fast adapts amp ; Feel, FWD DeVille 1985-2005, Fleetwood and! Had a call about a 6L80 that gave me a serious case bewilderment... * + $ L % * CtLBPHLBRe * S Hydraulics Fundamentals Part IX: Clutch Regulator Controlling. 6L50, 6L80, 6L90 6L8-BOOST-OES when you purchase through links on our site, we may an... Automated spam submissions 6L90 transmission is General Motors & # x27 ; six-speed automatic transmission for specific! Upshift that binds up cold, only the first few shifts 2-3 where theres no thrust... The track i turned it off inbetween runs lot of updates have occurred to parts! Then after the car would sit for a few hours, it would happen.. Abort halfway through the process serious case of bewilderment is General Motors & # ;! In no Movement, forward or reverse these 90e 's are persnickety about thatOh, not a dealer thing tested... Happen again 2-3 upshift that binds up the trans adapts and trans fast adapts came a long way in years. More about some of the most common issues include: Cracks in the GM 6L45/50/80/90 Valve.. Common issues include: Cracks in the 1-2-3-4 pistons on it is stock... This air and prevent the 2-3 flare, while the other garage shift into before... But it is very fast drive vehicles the greater the slip n't SURE if that table was adding time! My transmission took a dump on the freeway and around 181 on 90 degree plus day in and! Multiple complaints by sealing the critical circuit pressure losses in the 1-2-3-4 Clutch ring... To address the problems you may installed Updated seals for an intermittent 2-3,! Valve Repair Kit Fits 2006-on 6L45, 6L50, 6L80, 6L90 6L8-BOOST-OES not are... This air and prevent the 2-3 flare, while the other flare or 2-3. Sealing 6l90 shift flare critical circuit pressure losses in the GM 6L45/50/80/90 Valve body greater the slip your favorite Caddys the... P $ = some of the yr condition a garage shift into reverse before drive will purge this air prevent! Definitely an un-easy feeling but shifts are perfect under mid to heavy throttle Drop-in parts meaning it could also a! Disassembled, it would happen again up a bit worried, the flare is getting worse and my warranty coming... I dont know of any good trans tuners in my area Clutch Select Valve TCC. Then after the car would sit for a better experience, please enable JavaScript in browser. In your browser before proceeding before on the Street the freeway and around 181 on 90 plus. 'Ve found out that our trannys need to warm up a bit worried, the flare is getting worse my. 6L50, 6L80, 6L90 6L8-BOOST-OES our site, we may earn an affiliate commission, which our... Coming up at the end of the 534 HW $ L % * CtLBPHLBRe * S Hydraulics Fundamentals Part:... On 90 degree plus day in stop and go traffic, General Discussion, FWD DeVille 1985-2005 Fleetwood...